common.h

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#include <stdint.h>
#include <fstream>
#include <timeutils.h>
#include <netcdf>
#include <vector>
 
#define PKTSIZE 2048  // changed from 3200, 3/10/2022, LH
 
typedef struct {
  short dtype;
  short iagg;
  short lines;
} itab;
 
 
#define SWAP_2(x) ( (((x) & 0xff) << 8) | ((unsigned short)(x) >> 8) )
 
#define SWAP_4(x) ( (((x) << 24) & 0xFF000000) | \
         (((x) << 8) & 0x00FF0000) | \
         (((x) >> 8) & 0x0000FF00) | \
         (((x) >> 24) & 0x000000FF) )
 
int get_band_dims( uint8_t *apacket, uint16_t &ncp, uint16_t &nbb,
                   uint16_t &nrb,
                   uint16_t &nsp, uint16_t &ndc, uint16_t &nds,
                   uint16_t *btaps, uint16_t *rtaps, itab *itable);
 
int get_anc_packet_time( uint8_t *apacket, int32_t &iyear, int32_t &iday,
                         double &stime);
 
int read_oci_scan_packets( std::fstream *tfileStream, uint8_t *apacket, 
                           uint8_t (*pbuffer)[PKTSIZE], 
                           uint32_t &npkts, int32_t &spnum,
                           int32_t &ancind, std::vector<int32_t> &tlmind,
                           uint8_t &seqerr, int32_t &endfile);
 
int anc_compare( uint8_t *apacket0, uint8_t *apacket);
 
int read_packet( std::fstream *tfileStream, uint8_t *packet, 
                 uint32_t &len, uint32_t &apid, int32_t &endfile);
 
int get_swir_mode( uint8_t (*pbuffer)[PKTSIZE],
                   uint32_t npkts, uint16_t &smode);